WHO region | Number of measles SIAs | ||
National campaigns | Rollover national campaigns | Subnational campaigns | |
African region | 153 | 44 | 116 |
Region of the Americas | 121 | 5 | 27 |
Eastern Mediterranean region | 42 | 34 | 85 |
European region | 34 | 9 | 18 |
South-East Asia region | 13 | 26 | 20 |
Western Pacific region | 54 | 12 | 46 |
Total | 417 | 130 | 312 |
Source: WHO Immunization, Vaccines and Biologicals (IVB) Database.